#ifndef _COM_H
#define _COM_H
#define  RECEIVE_MAX    36
#define  SEND_MAX       36
extern void itoa(unsigned long da,unsigned char  *ptr,unsigned char lenth);
extern void PrintString(unsigned char const *ptr);
extern void PrintDigital(signed long da,signed char);
extern void PrintCmd(unsigned char const *ptr);
extern void InitBaud(unsigned char);
extern void CleanReceive(void);
extern data unsigned char inbuff[];
extern bit erev;
extern bit uart_sel;
#define UART_RFID 0
#define UART_PC   1
extern  unsigned char in_num;
extern  unsigned char end_pos;
#endif 
